national 5 numeracy practise booklet...national 5 numeracy (national 5) practice assessment 1 1. a...
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National 5 Numeracy (National 5)
Practice Assessment 1
1. A house which cost £96000 appreciated in value each year by 1.6%
Calculate the value of the house after 4 years.
Give your answer to 3 significant figures
2. Three friends Steve, Jake and Jodie shared a pizza. Steve ate 2
5 of the pizza and Jake ate
1
4.
What fraction did Jodie eat?
3. A car park holds 480 cars when full. The probability of a car in the car park being silver is 0.375.
On Friday morning the car park was full and Jamie counted 164 silver cars. Is this more or less
than expected?
Justify your answer by calculation
4. What are the readings on these scales?
5. Graph of height against weight (BMI)
Explain what the graph tells about the following people
a) Jamie is 5’ 10” and weighs 13 stone
b) Kate is 5’ 6” and weighs 14 stone
6. a) A mortar mixture is made of cement, sand and water in the ratio 1 : 2 : 4.
If 80kg of cement is used, how much sand and water is required?
b) An alloy consists of copper, zinc and tin in the ratio 2 : 3 : 5. Find the amount of
each metal in 75 kg of the alloy.
7.
The pie chart represents the choices
made from a menu at a function.
If 24 people chose pork, how many
people chose the beef dish?
8. The exam marks of classes 4A and 4B are shown in the back to back stem and leaf diagram
below.
4A 4B
9 6 4 5 1 5
8 7 5 2 6 4 8
4 1 7 4 6 6 7
1 1 0 8 6 6 6 6
2 2 1 9 4 6 7 8 9 9 5 1 represents 51
n = 15 n = 18
a) What was the highest mark in class 4B
b) Calculate the mean mark for class 4A
c) If the mean mark for class 4B was 81.6 which class did better in the test?
You must justify your answer
9.
a) On which day was there the least number of S2 pupils absent?
b) By estimating absences for each day, on which day were there least absences
altogether?
10. Bottles of mineral water are packed in boxes of 75.
a) A local supermarket has ordered 25 boxes of mineral water. How many bottles has
the shop ordered?
b) - Each bottle holds 290 ml
- 1 litre of water weighs 1 kilogram
- Each empty bottle weighs 30g
What is the total weight to be delivered?
c) If the delivery van can take a maximum load of 650kg, can this order be delivered in
one van load?
Use your calculations to explain your answer.
0
5
10
15
20
25
30
S1
S2
S3
Absentees
No. of pupils
11. Mike goes on holiday to Australia. He changes £1200 into Australian dollars.
a) If the rate of exchange is £ 1 = 1.62 Australian dollars how many Australian dollars will
Mike receive?
b) While on holiday Mike spends 1450 dollars. How many dollars does he have left?
c) When he returns home Mike changes the remaining dollars back into pounds at a rate of
£ 1 = 1.71 Australian dollars. How much will Mike get to the nearest pound?
12.
a) A train leaves Perth at 0251 and arrives at Stirling at 0440. How long did the journey
take?
b) Jenny flew from Edinburgh to Venice for a short break. The plane left at 2257 local time
and arrived in Venice at 0209 local time. If the time in Venice is one hour ahead of the
time in Britain, how long was the flight?
13. Mr and Mrs Robertson and their two children Ben aged 2 and Becky aged 8 are wanting to go to
Spain for two weeks during the summer holidays.
They have started looking at the price of flights with ScotAir which flies from Edinburgh to
Malaga.
The table below shows the costs of flights at that time of year.
A
charge of £ 19.50 will be added if payment is made by credit card
a) The Robertsons choose to fly with this airline. What is the total cost for flights only?
b) They also:
Pay for 3 cases
Reserve seats for everyone
Pay family insurance for their stay
Pay by credit card
If they had budgeted £ 1500 for their flights, is the total cost within their budget?
Return Flight Costs
Adult (over 18) £364
Child (3 – 17) £320
Infant (under 3) £145
Extra Costs
Hand Luggage No charge
1 case £50
Seat reservation £ 8 per person
INSURANCE (per person)
0 – 5 days 6 – 10 days 11 – 14 days 15 – 21 days
Adults (over 18) £ 8.50 £ 11.40 £ 13.50 £ 15.20
Child (3-17) £ 4.25 £ 5.70 £ 6.75 £ 7.60
Infants(under 3) - - - -
Family (2 adults and up to 4 children)
£18 £24. 50 £ 28.70 £ 32.30
(Justify your answer by calculation)
National 5 Numeracy (National 5)
Practice Assessment 2
1. James bought a Rolls Royce and paid £56000 for it.
If it is expected to increase by 5.2% each year, how much will it be worth after 3 years?
Give your answer correct to 2 significant figures.
2. On Friday 4
7 of Parkden Secondary school chose pasta for lunch,
1
5 chose pizza and the rest
chose salad. What fraction of the pupils chose salad?
3. A factory produces light bulbs. The probability of a bulb being faulty is 0.005. In a box
containing 400 light bulbs, 3 were found to be faulty. Is this more or less than expected?
Justify your answer by calculation
4. What are the readings on these scales?
5.
Liam is 37 years old and has a
resting heart rate of 73. What does
this tell about his heart rate?
cm
6. a) Three farmers Bill, Bob and George decided to split a herd of cows in the ratio
3 : 2 : 1
(i) If George got 12 cows how many did Bill and Bob each get?
(ii) How many cows were in the herd altogether ?
b) £ 80000 is shared between three schools in the ratio 2 : 3 : 5.
How much did each school receive?
7.
8. The back to back stem and leaf diagram below shows the cholesterol levels (mg/dL) of two
groups of people – smokers and non smokers
n = 35 n = 35
a) People with a cholesterol level of 160 or more are said to have a high cholesterol level.
Which group has more people with a high level of cholesterol?
1400
400
600
1200
WALK
BUS
CAR
CYCLE
A survey of all S1 – S6 pupils in
Rosstown school was carried out to
find out how they travelled to
school. If 180 pupils said they come
by car, how many said they walk to
school?
11 / 8 means 118
b) People with a cholesterol level of 129 or less are said to have a near ideal level of
cholesterol. Which group has more people with a near ideal level ?
JUSTIFY YOUR ANSWER
9. Mobile phone ownership
No. of phones owned
a) In which categories did the girls outnumber the boys?
b) Estimate how many phones were owned by boys altogether
c) What does the graph tell about the difference in mobile phone ownership between
girls and boys?
10. In a normal week the school cafeteria vending machines dispense 140 bottles of orange, 250
bottles of mineral water and 450 bottles of cola.
The capacity of each bottle is shown in the table.
a) Calculate the volume of drinks dispensed in a normal
week
b) If 1 litre of liquid weighs 1 kg and each bottle weighs 50g, what is the total weight of
drinks dispensed in a normal week?
c) If each vending machine is designed to hold up to 200kg, how many vending machines
are needed to store this number of drinks?
(Use your calculations to explain your answer)
11. Stephen is going to Amsterdam on a 5 day break. He changes £850 into Euros.
a) If the rate of exchange is £1 = 1.17 Euro, how many Euros will he receive?
b) During his holiday, Stephen spent 725 Euros. How many Euros does he have left?
c) Stephen changes the remaining Euros back into pounds. If the rate of exchange has
stayed the same, how much will he get to the nearest pound?
12.
a) A train leaves Inverness at 1558 and arrives at John O’Groats at 1813. How long did the
journey take?
0
10
20
30
40
0 - 4 5 - 9 10 - 14 15 - 19 20 - 24
Girls
Boys
Orange 275 ml
Water 330 ml
Cola 425 ml
No. of
people
b) Chris flew from London to Istanbul. The plane left at 1421 local time and arrived in
Istanbul at 2013 local time. If the time in Istanbul is two hours ahead of the time in
Britain, how long was the flight?
13.
Mr and Mrs Welsh and their two children have booked an all inclusive holiday to the
Sunbeach hotel for 11 nights and will fly from Edinburgh on 18th July
Sunbeach Hotel (All inclusive prices) Prices are in £’s per person
Nights Adult 1st Child
2nd Child
04 – 17 Jun
18Jun – 01 Jul
02 – 08 Jul
09 – 16 Jul
17 Jul- 20 Aug
21 – 25 Aug
26 Aug 08 Sep
7 1049 1059 1085 1219 1419 1409 1109 539 325
10 1325 1329 1365 1605 1785 1745 1369 639 339
11 1405 1429 1455 1735 1915 1825 1505 639 339
14 1675 1685 1759 2095 2289 2119 1705 769 325
Surcharges : Flights from Edinburgh £ 50 per person Payment by credit card : £ 24
Travel Direct Holiday Insurance (10 – 14 days)
Budget Standard Premier Premier Plus
Family 2 adults/ 2 children
£ 33.42 £ 42.12 £ 54.08 £ 91.11
a) If Mr and Mrs Welsh decide to pay for Premier Holiday insurance and pay the holiday by
credit card, how much is the holiday going to cost altogether?
b) They were hoping to spend no more than £5000 on the holiday. Were they successful?
(You must justify your answer)
National 5 Numeracy (National 5)
Practice Assessment 3
1. An antique clock is worth £850. If the value of this is expected to increase by 7.5% each
year, what will the clock be worth after 10 years?
Give your answer correct to 2 significant figures
2. In a class survey, 5
11 of the class said they travel to school by bus,
1
3 said they came by car.
The rest of the class said they walked to school. What fraction of the class walked to
school?
3. The probability of choosing a chocolate biscuit from a box of assorted biscuits is 0.35.
In a box containing 40 biscuits there were 18 chocolate ones. Is this more or less than
expected? (Justify your answer by calculation.)
4. What are the temperatures on these thermometers?
5. The chart below shows how fit you are based on how long it takes you to walk one mile
Explain what the chart tells us about
a) Callum who is 46 yrs old and took 26 mins 45 secs to walk a mile
b) Emma who is 33 yrs old and took 37 mins 15 secs to walk a mile
6. a) An estate was shared between three brothers Tom, Richard and Harry in the ratio
(minutes and seconds per mile)
Age(years)
18 – 30 30-40 40 – 50 50 – 60 60 +
Fitness Rating
MEN WOMEN
MEN WOMEN
MEN WOMEN
MEN WOMEN
MEN WOMEN
Excellent 18:30
19:00 19:30
20:45 21:00
22:30 22:30
24:15 24:00
26:00
Good 20:00
21:00 21:30
23:00 23:15
24:45 25:00
26:30 26:30
26:30
Average 23:00
24:00 24:00
26:15 26:45
26:15 26:45
30:30 30:30
32:30
Below Average
26:00
27:00 28:15
29:30 30:30
32:00 32:45
34:30 36:00
37:00
Poor 30:00+
32:00+ 30:00+
35:15+ 36:00+
38:30+ 39:00+
41:45+ 42:00+
45:00+
3: 1 : 5. If Richard’s share was £2400, how much did Tom and Harry each receive?
b) Three friends, Jodie, Sophie and Lorna found a treasure chest containing 216 gold
coins and decide to share them in the ration 3 : 4 : 5. How many coins would each girl
receive?
7.
8. The back to back stem and leaf diagram shows the marks of boys and girls in a maths class
test.
n = 17 n = 17 4/3 means 43
a) Calculate the mean score for the boys
b) If the mean mark for the girls was 25.9 who did better in the test – boys or girls?
You must justify your answer
9. The bar graph below shows the output of four products( in thousands)
for RST plc from 2011 to 2013
950
1150 700
400
400
S1 – 4 pupils were asked what their
favourite sport was and the results
are shown in the pie chart. If 350
pupils’ favourite sport was track
events, how many said their
favourite was swimming?
Product Output RST plc
a) In which year was there an output of exactly 100000?
b) Which product’s output was almost the same over the three years?
c) Which product’s output has continued to increase over the three years?
10. Bottles of mineral water can be bought in boxes of 60 from the Cash and Carry.
A bottle of mineral water contains 330 ml.
a) What is the total volume contained in a box?
b) Jack needs to drink 0.5 litres three times a day as part of his training programme.
How much water does Jack need each week?
c) Jack claims that if he buys three boxes of water this will be enough to last him six
weeks.
Is his claim true?
(Explain your answer clearly using calculations)
11. Sophia has been living in Edinburgh for 10 years and is returning to Estonia for a visit. She
changes £1400 into Euros when the rate of exchange was £ 1 = 1.19 Euros.
a) How many Euros will she receive?
b) If she spends 1240 Euros while in Estonia, how many Euros will she have left?
c) When she returns to Edinburgh, she changes the remaining Euros back into pounds.
If the rate of exchange was £ 1 = 1.23 Euros, how many pounds did she receive?
(Answer to the nearest pound)
0
50
100
150
200
Product A Product B Product C Product D
2011
2012
2013
Output
(thousands)
12.
c) A film started at 1941and finished at 2218. How long did the film last?
d) Jodie flew from Manchester to Prague for a short break. The plane left at 1149 local time
and arrived in Prague at 1507 local time. If the time in Prague is one hour ahead of the
time in Britain, how long was the flight?
13 Mr and Mrs Carter and their two children aged 8 and 12 are going to Aviemore
for 3 days skiing.
They are staying in a lodge which costs £ 385 for the three days.
The tables below show the costs for lift passes, equipment hire and instruction
The children need to hire equipment for the three days
They each have instruction for one day
They each buy lift passes for two days
They eat out for two nights and the total bill for this is £124
a) What is the total cost of this holiday?
b) Last year exactly the same holiday cost £1020.40. Has the price gone up this year?
(Justify your answer)
NATIONAL 5 NUMERACY
PRACTICE ASSESSMENT 1 ANSWERS
1. £102 000 2. 7/20
Daily Rates
3. Less than expected as 180 > 164
4. 21.5 kg 147/148 lbs 5. a) Jamie’s weight is OK
b) Katie is overweight
6. a) Sand 160 kg Water 320 kg b) Copper 15 kg Zinc 22.5 kg Tin 37.5 kg
7. 90 people 8. a) 99 b) 72.9
c) On average class 4B did better as
81.6 > 72.9
9. a) Monday b) (Approx: Mon 45 Tues 45 Wed 29 Thur 42 Fri 26)
Friday has least absences
10. a) 1875 bottles b) 600 kg c) Yes because 600kg < 650 kg
11. a) 1944 dollars b) 494 dollars c) £ 289
12. a) 1 hr 49 mins b) 2 hrs 12 mins
13. ( 2x 364) + 320 +145 + (3 x 50) + (4 x 8) +28.70 + 19.50 = £1423.20
Yes, within their budget because £1423.20 < £1500
NATIONAL 5 NUMERACY
PRACTICE ASSESSMENT 2 ANSWERS
1. £ 65 000 2. 8/35
3 More than expected as 3 > 2
4 75 km/hr 2.27 cm 5. Liam has an average heart rate for his age
6. a) (i) Bill 36 Bob 24 (ii) 72 b) School 1 £16000 School 2 £24000
School 3 £40000
7. 420 pupils 8. a) Smokers
b) More non smokers than smokers have a near
ideal cholesterol level as 13 > 3
9. a) 10 – 14, 15 – 19, 20 – 24 b) Approx 79 ( 16+32+19+9+3)
c) Girls have owned more phones than boys or girls changed their phones more
often (or any relevant statement)
10. a) 312250 ml b) 354.25 kg c) Need 2 vending machines as
325 > 200 and 2 x 200 = 400
11. a) 994.50 Euros b) 269 . 50 Euros c) £ 230
12. a) 2 hr 15 mins b) 3 hrs 52 mins
13. ( 2x 1915) + 639 +339 + (4 x 50) + 54.08 + 24= £5086 .08
No because £5086.08 > £5000
NATIONAL 5 NUMERACY
PRACTICE ASSESSMENT 3 ANSWERS
1. £ 1800 2. 7/33
3 More than expected as 18 > 14
4 45 0 C 14 0C 5. a) Callum is of average fitness for his age
b) Emma’s fitness is poor for her age.
6. a) (i) Tom £ 7200 Harry £ 12000 (b) Jodie 54 Sophie 72 Lorna 90
7. 475 pupils 8. a) 28.5
b) (Girls’ mean 25.9)
Boys did better as 28.5 > 25.9
9. a) 2012 b) Product C c) Product B
10. a) 19800 ml b) 10.5 litres
c) No as he needs 63 litres and three boxes only contains 59.4 litres
11. a) 1666 Euros b) 426 Euros c) £ 346
12. a) 2 hr 37 mins b) 2 hrs 18 mins
13. a) £385 + (17.70x2x3) + (2x89) + (2x75) + (2x65) +(2 x 38.50) +124
= £1150.20
b) Price has gone up this year as £1150.20 > £1020.40